28486305

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1619}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 54587520

約数和(自身を除く): 26101215

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 765, 1035, 1173, 1619, 1955, 3519, 4857, 5865, 8095, 14571, 17595, 24285, 27523, 37237, 72855, 82569, 111711, 137615, 186185, 247707, 335133, 412845, 558555, 633029, 1238535, 1675665, 1899087, 3165145, 5697261, 9495435, 28486305]

約数ペア:

[(1, 28486305), (3, 9495435), (5, 5697261), (9, 3165145), (15, 1899087), (17, 1675665), (23, 1238535), (45, 633029), (51, 558555), (69, 412845), (85, 335133), (115, 247707), (153, 186185), (207, 137615), (255, 111711), (345, 82569), (391, 72855), (765, 37237), (1035, 27523), (1173, 24285), (1619, 17595), (1955, 14571), (3519, 8095), (4857, 5865)]